Qingdao Freeworld International Trading Co., Ltd.

Qingdao Freeworld International Trading Co., Ltd. is based in China and lists a range of magnesium and calcium chemical products on Global Trade Plaza. The catalogue includes magnesium sulphate in heptahydrate, pentahydrate, trihydrate, dihydrate, monohydrate and anhydrous forms with purity from 99 to 100.5%, MgO 16–35% and sulphur 13–27%. It also offers magnesium acetate as white or light‐yellow crystal at 98% minimum purity and 11% minimum magnesium. Further listings cover magnesium oxide powder tested to HG/T2573‐2012 with MgO 97% minimum, calcium oxide ≤1%, silicon oxide ≤0.5%, chloride ≤0.5%, sulfate ≤0.3%, iron ≤0.3%, aluminium ≤0.2%, loss on ignition ≤2% and bulk density 2.0–8.0 g/ml. A granular magnesium fertiliser in 2–5 mm size is also available with total MgO grades from 20% to 28% and water‐soluble MgO from 10% to 26%. Buyers can send an enquiry through Global Trade Plaza.